ynn/lib/cargs.js

Ynn is a framework for building more flexible and portable web applications.

const path = require( 'path' );
const is = require( '@lvchengbin/is' );
const argv = require( 'yargs' ).argv;

const cwd = process.cwd();

const cargs = argv;

function cop( arg, cb ) {
    if( argv.hasOwnProperty( arg ) ) {
        if( is.function( cb ) ) {
            const res = cb( argv[ arg ] );
            if( !is.undefined( res ) ) cargs[ arg ] = res;
        } else {
            return cargs[ arg ] = argv[ arg ];
        }
    } else if( !is.undefined( cb ) && !is.function( cb ) ) {
        return cargs[ arg ] = cb;
    }
}

/**
 * --debugging=[true|false], -D
 *
 * To start the process in debugging mode, this option will override the settings in the Ynn app instance.
 */
cop( 'debugging', x => new Function( `return ${x}` )() );

/**
 * --logging=[true|false]
 *
 * To enable/disable log and access log.
 */
cop( 'logging', x => new Function( `return ${x}` )() );

/**
 * --log-path=[path]
 */
cop( 'log-path', x => path.resolve( cwd, x ) );

/**
 * --root=[path]
 *
 * The root path of the application
 */
cop( 'root', x => path.resolve( cwd, x ) );

/**
 * --port=[port]
 */
cop( 'port' );

/**
 * --config-dir=[path]
 *
 * Specify an external config dir from command line argument
 */
cop( 'config-dir', x => path.resolve( cwd, x ) );

/**
 * --bind=0.0.0.0
 *
 * bound host
 */
cop( 'bind', x => x );

module.exports = cargs;